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Finding the Fourth Proportional to 45,810.16, 68,692.08 and 16,223.80

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Solution

The fourth proportional to 45,810.16, 68,692.08 and 16,223.80 is: 24,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,810.16 : 68,692.08 = 16,223.80 : x
  2. Step 2: Convert to fraction form
    45,810.16/68,692.08 = 16,223.80/x
  3. Step 3: Cross multiply
    45,810.16x = 68,692.08 × 16,223.80
  4. Step 4: Simplify right side
    45,810.16x = 1,114,446,567.50
  5. Step 5: Solve for x
    x = 1,114,446,567.50/45,810.16
  6. Step 6: Final answer
    x = 24,327.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.